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From Stefan Bodewig <>
Subject Re: [compress] in-place updates of archive contents
Date Fri, 25 May 2012 14:31:20 GMT
Hi Marcel,

On 2012-05-25, Marcel Bruch wrote:

> I'm looking for a archive format and library that allows to update a
> archive entry w/o copying the whole file as necessary with zip file
> format.

> From what I've seen, tar may be possible but the compress API does not
> state this use case explicitly? Is this supported?

No, it is not, at least not explicitly.

> I also saw the ChangeSetPerformer API but the test cases mostly use
> cpio and zip, Thus, I'm not sure.

The changeset stuff is supposed to work for all archiving types (for
which we support writing, dump is read-only) - but it works by using
(temporary) copies as well.


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